Despite the title’s shock value— evoking classical paintings of desolation—the Japanese subtitle Rakuen Shinshoku flips the script: paradise is not invaded by death, but eroded from within by death's absence. Key themes include:
The story takes place on an isolated island where a mysterious phenomenon has occurred, causing the dead to rise from their graves. The island, once a peaceful and serene location, has become a nightmarish realm where the living are beset on all sides by the undead. The plot follows a young man named Kaito, who finds himself stranded on the island after a ferry accident. As Kaito navigates this treacherous new world, he encounters various survivors, each with their own motivations and secrets. rakuen shinshoku island of the dead%21
"Paradise... is erosion."